A Researcher Is Working with Two Variables Measured at the Interval

question 10

Multiple Choice

A researcher is working with two variables measured at the interval level. Which statistical tool should the researcher use?

• A) \(\chi\)² analysis
• B) correlation analysis
• C) proportion analysis
• D) cross-tabulation

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Definitions:

Independent Variable

In experimental studies, this is the variable that the researcher alters to examine its impact on the dependent variable.

Dependent Variable

The variable in an experiment that is expected to change in response to manipulations of the independent variable.

Confound

A variable that influences both the dependent and independent variables in a study, potentially skewing results and making it difficult to determine causality.

Institutional Review Board

A committee that reviews and approves research protocols to ensure ethical standards are maintained in studies involving human participants.